According to Hebrews 11, what did Abraham believe God would do if Isaac was slain as a sacrifice?

Calculate the mass percent of hydrogen in methyl acetate

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Which of the following is a physical property flammability heat of combustion solubility and toxicity